Method and apparatus for charging electric double layer capacitor
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United States of America Patent
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Mar 12, 1996
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Jun 30, 1994
filing date -
Jun 30, 1993
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Abstract
Method and apparatus for quickly and efficiently charging an electric double layer capacitor. The capacitor is charged by a constant-current power supply which is preferably a current controlled output type switching power supply. To cause the voltage across the terminals of the capacitor to reach its working voltage in a short time, the capacitor is overcharged for a short time. Where the capacitor is charged with a solar battery, a constant-current output type switching regulator is interposed between the solar battery and the capacitor.
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